1094101-93-5Relevant articles and documents
PYRAZOLONE DERIVATIVE AND PDE INHIBITOR CONTAINING THE SAME AS ACTIVE INGREDIENT
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Page/Page column 115-116, (2010/04/25)
It is to provide a novel pyrazolone derivative represented by the following general formula (1), which is useful as a pharmaceutical and has a phosphodiesterase inhibitory action: wherein R1,R2: C1-6 alkyl; R3,R4: H, X, C1-6 alkoxy; Z:O, S; A:AA, BB, wherein AA represents wherein BB represents wherein R5: H, C1-6 alkyl ; R6,R7: C1-6 alkyl.